/Engine/Source/Runtime/RHI/Public/PipelineFileCache.h
static bool MergePipelineFileCaches ( [FString](API\Runtime\Core\Containers\FString) const & PathA, [FString](API\Runtime\Core\Containers\FString) const & PathB, [FPipelineFileCacheManager::PSOOrder](API\Runtime\RHI\FPipelineFileCacheManager\PSOOrder) Order, [FString](API\Runtime\Core\Containers\FString) const & OutputPath )